Read the instruction manual carefully. Note that a new version of QSAR-Co-X is available at https://github.com/ncordeirfcup/QSAR_Co_X_v2
Halder, A.K., Cordeiro, M.N.D.S. QSAR-Co-X: an open source toolkit for multitarget QSAR modelling. Journal of Cheminformatics, 13, 29 (2021). https://doi.org/10.1186/s13321-021-00508-0